Maduka Metals, based in Abuja, Nigeria, stands out as a top manufacturer and supplier of high-quality Alloy Steel Bright Bars. Known for their precision engineering and strong production standards, they cater to a variety of industries, including construction, automotive, and manufacturing. Their Alloy Steel Bright Bars are designed to meet strict international specifications, guaranteeing durability, strength, and reliability. With cutting-edge machinery and a dedication to excellence, Maduka Metals offers customized solutions for clients in need of superior steel products. Renowned for their timely delivery and consistent quality, they have become a trusted partner for businesses looking for high-performance alloy steel solutions in Nigeria and beyond.
Alloy Steel Bright Bars are made from carbon steel that’s enhanced with elements like chromium, nickel, molybdenum, and vanadium, which boost hardness, tensile strength, and wear resistance. These bars go through precision heat treatment to ensure uniform mechanical properties. Typically, they showcase a tensile strength between 650 to 850 MPa, hardness levels of 200–300 HB, and impressive fatigue resistance. The perfect blend of toughness and machinability makes Alloy Steel Bright Bars ideal for engineering applications that demand both strength and dimensional accuracy, ensuring top-notch performance even under heavy-duty conditions.
| Specifications | ASTM A182, ASME SA182 |
|---|---|
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Range | 5mm to 500mm Dia in 100mm to 6000mm Length |
| Diameter | 10 mm To 200 mm |
| Thickenss | 0.5mm to 500mm Diameter |
| High Speed Steel (HSS), HCHCR & OHNS in Grade | M2, M3, M35, M42, T-1, T-4, T-15, T-42, D2, D3, H11, H13, OHNS-01 & EN52 |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length | 1000 mm Long To 6000 mm Long |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Element | C | Cr | Mn | Mo | P | S | Si | Ni |
| F5 | 0.15 Max | 4.0-6.0 | 0.30-0.60 | 0.44-0.65 | 0.035 Max | 0.030 Max | 0.50 Max | 0.50 Max |
| F1 | 0.15 Max | 3.0-5.0 | 0.30-0.60 | 0.40-0.50 | 0.035 Max | 0.030 Max | 0.50 Max | 0.50 Max |
| F22 | 0.05-0.15 | 2.00-2.50 | 0.30-0.60 | 0.90-1.10 | 0.035 Max | 0.040 Max | 0.50 Max | – |
| F91 | 0.08-0.12 | 8.0-9.5 | 0.30-0.60 | 0.85-1.05 | 0.020 Max | 0.010 Max | 0.20-0.50 | 0.40 Max |
| F9 | 0.15 Max | 8.0-10.0 | 0.30-0.60 | 0.90- 1.10 | 0.030 Max | 0.030 Max | 0.50- 1.00 | – |
| F11 | 0.10-0.20 | 1.00-1.50 | 0.40-0.65 | 0.44-0.65 | 0.025 Max | 0.040 Max | 0.50-0.80 | – |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min |
| F9 | 415 | 30 | 205 |
| F5 | 275 | 485 | 20 |
Alloy steel bright bars can typically withstand temperatures ranging from -50°C to 550°C (or higher for specific grades), depending on the alloy composition and heat treatment, offering excellent heat resistance.
Alloy steel bright bars and rods are available in various diameters ranging from 5mm to 200mm, with lengths typically from 3 meters to 6 meters, customized to meet specific requirements.
Alloy steel bright bars are durable due to their high strength, corrosion resistance, and toughness. The alloying elements, such as chromium, molybdenum, and nickel, enhance wear resistance, heat resistance, and overall mechanical properties.
These Alloy Steel Bright Bars find extensive use in engineering and industrial applications thanks to their strength, durability, and precise dimensions. They’re perfect for crafting machine components, shafts, gears, bolts, studs, and high-stress fasteners. Industries such as automotive, construction, heavy machinery, and oil and gas depend on these bars for essential structural and mechanical parts. Their wear resistance and ability to handle high stress make them suitable for forging, machining, and fabrication processes.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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